Ikea Flat

The instance when a person who doesn't mean to be a dick becomes a bonafide dick.

You're acting like an ikea flat.

by specialtiesguru March 25, 2013

mexican flat tire

A prank similar to a flat tire, but after you remove the shoe, you grab it and run away as fast as possible.

- John: During the football game, Derek totally gave me mexican flat tire!

by ionix January 23, 2014

Flat back filet

Having doggie style sex with a girl wrapped in the American flag while eating filet mignon

"You get a filet mignon from Ruth's Chris steakhouse?"
"Yeah, then I gave the hostess the flat back filet!"

by Mercian Male April 11, 2015

flat -brimmed cap

This cap is new out of the box and worn fresh with stickers entact. It is worn by one who prentends to show the status of their wealth by taking care of their clothes, keeping their jeans and clothes spotless, and through the fact that they are young hipsters, not all African, however generally from either LA, Northern California, or Brooklyn.

Dude, you are totally Santa Cruz with your flat -brimmed cap for an 8 year old.

by USucka July 6, 2016

flat four

A type of an engine configuration; there are four cylinders which are arranged in a flat opposing configuration. They're found in many different Subaru models (The Boxer Engine) and also found in classic VW Beetles.

Everyone panics & hides in their houses when it's snowing out, but not me, my world is flat; I grab my keys & head out to play in my flat four (4 banger)!

by Thorka June 20, 2016

Flat Milk

When the milk has been left out of the fridge for a prolonged period of time, so the milk is no longer cold and crisp.

"Can you put the milk back in the fridge, it's gone flat"

"Flat Milk is the worst"

by YaMother'sGash August 29, 2016

Flat Fat

When a really obese people loses a ton of weight in a short amount of time, making their appearance seem pinched or unnaturally small

Damn dude, John's wife lost 300 lbs in a week! What a flat fat!

by Ding_Dong_Long_Schlong December 12, 2016